Acoustic product composed of composite material
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United States of America Patent
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May 29, 2018
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N/A
app pub date -
Apr 22, 2015
filing date -
Apr 23, 2014
priority date (Note) -
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Abstract
The invention relates to an acoustic product composed of composite material, such as a musical musical instrument, a part thereof, an acoustic equipment or like, which is manufactured from raw material comprising at least cellulose based substance and plastic based substance by means of a thermoplastic process, such as by pressing, compression molding, injection molding, extrusion, blow molding by heat, rotational molding and/or the like. The acoustic product has a material composition consisting of fiber substance (1) based on surface modified cellulose and plastic based substance (2), wherein the product has an essentially wood-like, but isotropic sound.
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